Roller Chain Sprocket; 1-3/8" Bore; 80 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; B-Hub One Side; Finished Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 80 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; B-Hub One Side; Bushed Mount; 2517 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 80 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; B-Hub One Side; Bushed Mount; Q1 Bushing; 1" Chain Pitch; ANSI Roller Chain; Keyway; Carbon Steel Material

Roller Chain Sprocket; 80 Chain; 28 Teeth; 1 Row of Teeth; Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 80 Chain; 28 Teeth; 1 Row of Teeth; No Hardened Teeth; 9.475" Outside Diameter; 8.931" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material